This is a simple PHP  script to automatically display (dump output)  data submited from a html form.
The form setup

all inputs (form fields) need to have the same name with [] at the end to turn it into an array,  e.g <input type=text name=formdata[]>

formq.html content
<form method=post action=showme.php>
Name: <input type=text name=formdata[]><br>
Email: <input type=text name=formdata[]><br>

<input type=submit value=ok>
</form>

The Script [...]